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What is the Periodic Table Showing? Periodicity

The INTERNET Database of Periodic Tables

There are thousands of periodic tables in web space, but this is the only comprehensive database of periodic tables & periodic system formulations. If you know of an interesting periodic table that is missing, please contact the database curator: Mark R. Leach Ph.D. The database holds information on periodic tables, the discovery of the elements, the elucidation of atomic weights and the discovery of atomic structure (and much, much more).

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Year:  1957 PT id = 1079, Type = formulation

Laubengayer's Long Periodic Table

From A.W. Laubengayer, General Chemistry, revised ed., Holt, Reinhart and Winston, New York (1957).

René Vernon writes:

"In this busy table the author appears to show three of each of groups I to VII (e.g group I; group IA; group IB) and one group VIII, and one group 0, for a total of 23 groups and subgroups."

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What is the Periodic Table Showing? Periodicity

© Mark R. Leach Ph.D. 1999 –


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